530015557 has 2 divisors, whose sum is σ = 530015558. Its totient is φ = 530015556.

The previous prime is 530015543. The next prime is 530015573. The reversal of 530015557 is 755510035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419471361 + 110544196 = 20481^2 + 10514^2 .

It is a cyclic number.

It is not a de Polignac number, because 530015557 - 2¹⁹ = 529491269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530015537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265007778 + 265007779.

It is an arithmetic number, because the mean of its divisors is an integer number (265007779).

Almost surely, 2^530015557 is an apocalyptic number.

It is an amenable number.

530015557 is a deficient number, since it is larger than the sum of its proper divisors (1).

530015557 is an equidigital number, since it uses as much as digits as its factorization.

530015557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 530015557 is about 23022.0667404123. The cubic root of 530015557 is about 809.2751514737.

The spelling of 530015557 in words is "five hundred thirty million, fifteen thousand, five hundred fifty-seven".